Garlic Mustard is an invasive species which crowds out native plants, has a chemical which kills caterpillars that eat its leaves, and has roots that disturb the natural soil fungi growth. Please make an effort to pull the garlic mustard in your community in order to preserve the natural ecosystem. For further information, please see this video: https://www.youtube.com/watch?v=0vqkqbuQljo. Don't forget to pull the mustard!